It's been a week for it: the country's top climate scientists say the evidence is in, the issue's done and dusted. But why are we still debating climate change? What's more, why is this debate unfolding in the media rather than in the scientific community? Well, for a start there are those who say the science isn't settled. That's what Tony Abbott says, while Senator Barnaby Joyce says last week's CSIRO report doesn't mean scientists can't be taken to task. Plus, we mark the death of Margaret Whitlam and sum up her contribution to Australian political life.